正确答案: B

错误

题目：观察气孔的表面观，可用叶片做横切面。( )

解析：B

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举一反三的答案和解析：

[单选题]A good agent can help you ____.

get the right accommodation quickly

[单选题]D.My family and I lived across the street from Southway Park since I was four years old. Then just last year they city put a chain link fence around the park and started bulldozing (用推土机推平) the trees and grass to make way for a new apartment complex. When I saw the fence and bulldozers, I asked myself, “Why don’t they just leave it alone?”

Curious.

[单选题]How did the accident happen?

a car ran into a lorry

[单选题]What does the underlined word “distractions” probably refer to?

Activities that turn one’s attention away.

[单选题]兰科植物种子传播媒介为( )。

风